$350+ Cheap flights from San Francisco (SFO) to Buenos Aires (BUE)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUE
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from San Francisco to Buenos Aires with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Buenos Aires
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Cheapest flights from San Francisco to Buenos AiresExplore the most affordable flight options available from San Francisco to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from San Francisco to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This SmartFares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:05 am
SFO
- EZE
1 stop21h 55m
LATAM Airlines
Mon 2/169:55 pm
EZE
- SFO
2 stops43h 49m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$877
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:35 am
SFO
- EZE
3 stops22h 35m
Avianca
Sun 3/294:50 pm
EZE
- SFO
2 stops33h 45m
Avianca
Deal found 2/2![Avianca logo]()
$882
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:20 pm
SFO
- EZE
2 stops20h 35m
Multiple Airlines
Sun 3/294:50 pm
EZE
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$885
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:20 pm
SFO
- EZE
3 stops30h 10m
Multiple Airlines
Tue 4/77:10 am
EZE
- SFO
2 stops20h 45m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$886
This KAYAK deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:00 pm
SFO
- AEP
2 stops21h 00m
LATAM Airlines
Sun 11/1512:40 pm
AEP
- SFO
2 stops26h 19m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$887
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:35 am
SFO
- EZE
2 stops23h 15m
Avianca
Wed 3/114:55 pm
EZE
- SFO
2 stops33h 55m
Avianca
Deal found 2/2![Avianca logo]()
$888
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:20 pm
SFO
- AEP
2 stops35h 20m
Avianca
Tue 3/247:00 am
AEP
- SFO
2 stops19h 50m
Avianca
Deal found 2/3![Avianca logo]()
$888
This Avianca deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:30 am
SFO
- EZE
2 stops23h 10m
Avianca
Fri 4/174:50 pm
EZE
- SFO
2 stops33h 45m
Avianca
Deal found 2/3![Avianca logo]()
$889
This Avianca deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:30 am
SFO
- AEP
2 stops23h 10m
Avianca
Tue 4/217:00 am
AEP
- SFO
2 stops20h 55m
Avianca
Deal found 2/3![Avianca logo]()
$889
This SmartFares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:45 pm
SFO
- EZE
1 stop30h 00m
LATAM Airlines
Mon 8/242:20 am
EZE
- SFO
2 stops40h 51m
LATAM Airlines
Deal found 2/2![LATAM Airlines logo]()
$890
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:20 pm
SFO
- EZE
2 stops35h 30m
Avianca
Tue 3/102:40 am
EZE
- SFO
2 stops38h 20m
Avianca
Deal found 2/1![Avianca logo]()
$897
This Avianca deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:10 pm
SFO
- EZE
2 stops20h 25m
Avianca
Tue 3/107:30 am
EZE
- SFO
2 stops19h 20m
Avianca
Deal found 2/2![Avianca logo]()
$898
Best flights from San Francisco to Buenos AiresDiscover carefully curated flight deals from San Francisco to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from San Francisco to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:20 pm
SFO
- EZE
3 stops30h 10m
Multiple Airlines
Tue 4/77:10 am
EZE
- SFO
2 stops20h 45m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$886
This Gotogate deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:55 pm
SFO
- AEP
2 stops25h 45m
Avianca
Sun 5/107:00 am
AEP
- SFO
2 stops19h 35m
Avianca
Deal found 1/31![Avianca logo]()
$920
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
SFO
- EZE
1 stop23h 00m
Delta
Wed 4/88:10 pm
EZE
- SFO
1 stop27h 09m
Delta
Deal found 2/1![Delta logo]()
$946
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:03 pm
SFO
- EZE
1 stop18h 26m
American Airlines
Sat 4/411:30 pm
EZE
- SFO
1 stop25h 46m
American Airlines
Deal found 2/1![American Airlines logo]()
$963
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:15 am
SFO
- EZE
1 stop20h 45m
United Airlines
Sun 5/109:00 pm
EZE
- SFO
1 stop38h 15m
United Airlines
Deal found 1/31![United Airlines logo]()
$975
This Copa Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:12 am
SFO
- EZE
1 stop23h 08m
Copa Airlines
Sat 8/812:10 am
EZE
- SFO
1 stop21h 49m
Copa Airlines
Deal found 2/1![Copa Airlines logo]()
$991
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:20 pm
SFO
- AEP
3 stops24h 20m
Multiple Airlines
Mon 3/2310:10 pm
AEP
- SFO
3 stops29h 30m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$900
This Avianca deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:10 am
SFO
- EZE
2 stops25h 40m
Avianca
Wed 4/84:50 pm
EZE
- SFO
2 stops24h 00m
Avianca
Deal found 2/1![Avianca logo]()
$950
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:35 pm
SFO
- EZE
1 stop15h 25m
United Airlines
Sun 5/109:00 pm
EZE
- SFO
1 stop38h 15m
United Airlines
Deal found 2/1![United Airlines logo]()
$975
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:17 pm
SFO
- EZE
1 stop18h 48m
American Airlines
Sun 5/319:50 pm
EZE
- SFO
1 stop25h 31m
American Airlines
Deal found 2/1![American Airlines logo]()
$1,070
This Flighttix deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:10 am
SFO
- AEP
2 stops25h 30m
Avianca
Tue 4/77:00 am
AEP
- SFO
2 stops20h 55m
Avianca
Deal found 2/1![Avianca logo]()
$979
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:20 pm
SFO
- AEP
2 stops24h 20m
Multiple Airlines
Sat 3/287:00 am
AEP
- SFO
2 stops19h 50m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,022
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/512:35 pm
SFO
- EZE
1 stop15h 25m
United Airlines
Wed 4/229:00 pm
EZE
- SFO
1 stop30h 59m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,070
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:15 pm
SFO
- AEP
2 stops35h 25m
Avianca
Sun 5/107:00 am
AEP
- SFO
2 stops43h 35m
Avianca
Deal found 2/2![Avianca logo]()
$983
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:20 pm
SFO
- EZE
3 stops33h 20m
Multiple Airlines
Sun 3/224:55 pm
EZE
- SFO
2 stops24h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,042
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
SFO
- EZE
1 stop21h 00m
United Airlines
Sun 4/199:00 pm
EZE
- SFO
1 stop30h 59m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,070
This Gotogate deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1512:10 am
SFO
- AEP
2 stops25h 30m
Avianca
Thu 3/267:00 am
AEP
- SFO
2 stops19h 50m
Avianca
Deal found 2/1![Avianca logo]()
$1,017
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/59:10 am
SFO
- EZE
1 stop18h 50m
United Airlines
Sun 4/199:00 pm
EZE
- SFO
1 stop38h 16m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,080
This Avianca deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:20 pm
SFO
- AEP
2 stops35h 20m
Avianca
Wed 2/257:00 am
AEP
- SFO
2 stops34h 00m
Avianca
Deal found 2/1![Avianca logo]()
$1,031
This Avianca deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:35 am
SFO
- AEP
2 stops23h 05m
Avianca
Tue 2/247:00 am
AEP
- SFO
2 stops21h 20m
Avianca
Deal found 2/1![Avianca logo]()
$1,031
This Avianca deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:35 am
SFO
- AEP
2 stops23h 05m
Avianca
Thu 2/267:00 am
AEP
- SFO
2 stops21h 20m
Avianca
Deal found 2/1![Avianca logo]()
$1,031
This Avianca deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:35 am
SFO
- AEP
2 stops23h 05m
Avianca
Wed 2/257:00 am
AEP
- SFO
2 stops34h 00m
Avianca
Deal found 2/1![Avianca logo]()
$1,031
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:20 pm
SFO
- AEP
2 stops35h 20m
Avianca
Tue 3/107:00 am
AEP
- SFO
2 stops20h 40m
Avianca
Deal found 2/2![Avianca logo]()
$1,035
Last-minute flights from San Francisco to Buenos AiresDiscover last-minute flight deals from San Francisco to Buenos Aires. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Buenos Aires. Data last updated February 3, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:20 pm
SFO
- EZE
2 stops21h 30m
Avianca
Mon 2/91:40 am
EZE
- SFO
2 stops26h 40m
Avianca
Deal found 2/2![Avianca logo]()
$889
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:20 pm
SFO
- EZE
3 stops21h 30m
Avianca
Fri 2/61:40 am
EZE
- SFO
2 stops25h 10m
Avianca
Deal found 2/3![Avianca logo]()
$910
This SmartFares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:05 am
SFO
- EZE
1 stop21h 55m
LATAM Airlines
Mon 2/169:55 pm
EZE
- SFO
2 stops43h 49m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$877
This Avianca deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:10 pm
SFO
- EZE
2 stops20h 25m
Avianca
Tue 3/107:30 am
EZE
- SFO
2 stops19h 20m
Avianca
Deal found 2/2![Avianca logo]()
$898
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:20 pm
SFO
- EZE
2 stops35h 30m
Avianca
Tue 3/102:40 am
EZE
- SFO
2 stops38h 20m
Avianca
Deal found 2/1![Avianca logo]()
$897
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:35 am
SFO
- EZE
2 stops23h 15m
Avianca
Wed 3/114:55 pm
EZE
- SFO
2 stops34h 45m
Avianca
Deal found 2/2![Avianca logo]()
$888
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:20 pm
SFO
- AEP
2 stops35h 20m
Avianca
Tue 3/247:00 am
AEP
- SFO
2 stops19h 50m
Avianca
Deal found 2/3![Avianca logo]()
$888
This Gotogate deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:20 pm
SFO
- EZE
2 stops21h 30m
Avianca
Wed 3/254:55 pm
EZE
- SFO
2 stops34h 45m
Avianca
Deal found 2/3![Avianca logo]()
$905
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:35 am
SFO
- EZE
3 stops22h 35m
Avianca
Sun 3/294:50 pm
EZE
- SFO
2 stops33h 45m
Avianca
Deal found 2/2![Avianca logo]()
$882
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:20 pm
SFO
- AEP
3 stops24h 20m
Multiple Airlines
Mon 3/2310:10 pm
AEP
- SFO
3 stops29h 30m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$900
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:20 pm
SFO
- EZE
2 stops20h 35m
Multiple Airlines
Sun 3/294:50 pm
EZE
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$885
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:20 pm
SFO
- EZE
3 stops30h 10m
Multiple Airlines
Tue 4/77:10 am
EZE
- SFO
2 stops20h 45m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$886
One-way flights from San Francisco to Buenos AiresSearch for one-way flight options from San Francisco to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from San Francisco to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:55 pm
SFO
- EZE
2 stops20h 30m
Avianca
Deal found 2/1![Avianca logo]()
$350
This Avianca deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:55 pm
SFO
- EZE
2 stops25h 45m
Avianca
Deal found 2/1![Avianca logo]()
$369
This Avianca deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:55 pm
SFO
- AEP
2 stops25h 45m
Avianca
Deal found 2/1![Avianca logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
SFO
- AEP
3 stops46h 30m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:38 pm
SFO
- EZE
3 stops28h 07m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:38 pm
SFO
- EZE
3 stops51h 27m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$385
This Travelocity deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:15 pm
SFO
- EZE
2 stops31h 05m
Avianca
Deal found 2/2![Avianca logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:01 pm
SFO
- AEP
3 stops38h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:47 pm
SFO
- AEP
3 stops34h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:38 pm
SFO
- EZE
3 stops44h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
SFO
- EZE
3 stops48h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:20 pm
SFO
- EZE
2 stops20h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$410
Find flight deals from San Francisco to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $882 (Mytrip) |
One-way from | $350 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,235 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.
Fly from
San Francisco
Fly to
Buenos Aires
Route
Depart
Return
Price
San FranciscoBuenos Aires
SFO - EZE
SFOEZE
San Francisco
Mon 3/23
2:20 pm-12:30 am
3 stops30h 10m
Buenos Aires Ministro Pistarini
Tue 4/7
7:10 am-11:55 pm
2 stops20h 45m
$886
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Wed 3/18
2:20 pm-6:40 pm
3 stops24h 20m
Buenos Aires Jorge Newbery
Mon 3/23
10:10 pm-11:40 pm
3 stops29h 30m
$900
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Sat 5/2
11:55 pm-5:40 am
2 stops25h 45m
Buenos Aires Jorge Newbery
Sun 5/10
7:00 am-10:35 pm
2 stops19h 35m
$920
San FranciscoBuenos Aires
SFO - EZE
SFOEZE
San Francisco
Mon 3/23
6:00 am-9:00 am
1 stop23h 00m
Buenos Aires Ministro Pistarini
Wed 4/8
8:10 pm-7:19 pm
1 stop27h 09m
$946
San FranciscoBuenos Aires
SFO - EZE
SFOEZE
San Francisco
Sun 3/22
12:10 am-5:50 am
2 stops25h 40m
Buenos Aires Ministro Pistarini
Wed 4/8
4:50 pm-12:50 pm
2 stops24h 00m
$950
San FranciscoBuenos Aires
SFO - EZE
SFOEZE
San Francisco
Wed 3/25
12:03 pm-10:29 am
1 stop18h 26m
Buenos Aires Ministro Pistarini
Sat 4/4
11:30 pm-9:16 pm
1 stop25h 46m
$963
San FranciscoBuenos Aires
SFO - EZE
SFOEZE
San Francisco
Sat 5/2
7:15 am-8:00 am
1 stop20h 45m
Buenos Aires Ministro Pistarini
Sun 5/10
9:00 pm-7:15 am
1 stop38h 15m
$975
San FranciscoBuenos Aires
SFO - EZE
SFOEZE
San Francisco
Thu 4/30
12:35 pm-8:00 am
1 stop15h 25m
Buenos Aires Ministro Pistarini
Sun 5/10
9:00 pm-7:15 am
1 stop38h 15m
$975
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Sun 3/22
12:10 am-5:40 am
2 stops25h 30m
Buenos Aires Jorge Newbery
Tue 4/7
7:00 am-11:55 pm
2 stops20h 55m
$979
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Thu 4/30
2:15 pm-5:40 am
2 stops35h 25m
Buenos Aires Jorge Newbery
Sun 5/10
7:00 am-10:35 pm
2 stops43h 35m
$983
Showing 1-10 of 41 results
Compare providers for flights from San Francisco to Buenos Aires
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Buenos Aires in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Francisco with our price prediction graph.
SFO-BUE
SFO-EZE
SFO-AEP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Buenos Aires
SFO-BUE
SFO-EZE
SFO-AEP
How far ahead should I book a flight from San Francisco to Buenos Aires?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Buenos Aires. Price data was last updated on January 30, 2026.
Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Francisco to Buenos Aires?
Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $606). Flying from San Francisco to Buenos Aires in September is currently the most expensive (average of $1,022). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Francisco to Buenos Aires?
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated February 3, 2026.
Get a feel of what it's like to fly with Delta, Copa Airlines, and LATAM Airlines from San Francisco to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Complete your trip
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Alternative routes for San Francisco to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 3, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Buenos Aires by cabin class
Find flights from San Francisco to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Buenos Aires flights
Browse other San Francisco and Buenos Aires flight options. Last updated on February 3, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on February 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Buenos Aires flights
Consider these flights traveling from San Francisco to Buenos Aires.
Top 7 airlines flying from San Francisco to Buenos Aires
Discover the top 7 airlines that operate flights from San Francisco to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$654 | Average$891 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$875 | Average$1,275 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$886 | Average$1,013 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$969 | Average$1,258 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$973 | Average$1,160 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$1,039 | Average$1,301 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,119 | Average$1,318 | FlexibilityNo cancel fee | On-timeN/A |